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Maps & Geospatial: Open Source Geographic Information Systems (GIS)

This guide provides an introduction to open source GIS packages, which are free to use on Windows, Mac, and Linux platforms.

Quantum GIS (QGIS)

R

GeoDa

Penn State University, E-Dutton Online Geospatial Program, Open Educational Resources

SAGA System for Automated Geoscientific Analyses

GRASS